In general, it is not required to have an import licence in order to import consumer goods to Norway. However, certain types of goods might require specific registrations or permits, or there might be specific marking requirements when importing to Norway. It is the importer´s responsibility to ensure that the terms of importing the particular goods are met. Contact the Norwegian Customs for information about goods with specific import requirements.
Importing goods can help your business meet its goals and provide goods to customers that may not be available locally. Exporting can open a business to new markets, spread risk by reducing dependence on the local market and increase your competitiveness. Ever country has its own regulations regarding the import and export licences. If we speak in general, than the following products have to have the licence: FMCG products, electronic goods, art goods as well as chemicals and pharmaceuticals.
To become an importer, you need no licenses, but, of course, some products require import licenses. These products are:
Cheese, milk and dairy products; fruits, vegetables and nuts; live animals; meat products; plats; seeds; tobacco products; arms, ammunition and explosives.
You can check the full list here http://www.cbp.gov/sites/default/files/documents/Importing%20into%20the%20U.S.pdf